Comprehensive Prevention and Control Technology of Cotton Bollworm

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The cotton bollworm is the first pest of cotton and causes a natural loss rate of about 50%. To control the cotton bollworm, we must first do a good job of insect forecasting and field surveys. When the cumulative egg quantity of 100 cotton plants reaches the prevention and control index, it is necessary to timely and accurately adopt measures such as the use of pesticides to prevent and control. Prevention and control of cotton bollworm adopts the principle of “prevention as the main, comprehensive prevention and control”, and through the organic combination and coordinated use of agricultural, physical, biological, and chemical prevention and control measures to achieve economic, safe and efficient control of pests and diseases. Agricultural control consists of four measures: one is to cultivate the winter irrigation in the fall, to kill the insects, and to suppress the base number of the insects in the coming year; second, to use the cultivation measures to control the occurrence of the hazards. For example, in the second generation of cotton bollworm, the leaf shoots are hit, and the generations of three generations are topped and Tips, late pruning, removal of ineffective buds, can greatly reduce the amount of eggs in the field, or in conjunction with field management to catch eggs to catch insects; Third, the production season to eliminate maggots, watering in the flood season and cultivators in the cotton field, can be a lot Kill insects; four is planted insect-resistant cotton. There are more than 200 natural enemies for biological control of cotton bollworm, predatory natural enemies include ladybugs, grasshoppers, spiders, and insectivorous insects. The predatory natural enemies include Trichogramma and T. urticae. Artificial protection, reproduction and release of natural enemies can effectively control pests. In addition, the anti-insect effect of the Bt formulation using biological agents is also very good. The trapping and killing control mainly uses plant trapping and light trapping. Planting spring corn in cotton fields, with 50 to 100 per acre, drilled or distributed on-demand, manually killing adults in Xinyeli at the age of adult emergence at 5-6am, or inserting 10-20 poplar branches per mu of cotton field. The branches are 15-30 cm higher than the cotton plants, and they are trapped in net bags every morning when they are 5-6. The adults shake their bags and kill them. Light trapping is dominated by high-pressure mercury lamps and is used when pests occur. Chemical control is mainly controlled by the use of organic phosphorus, carbamates, and pyrethroids, organochlorines, bacterial insecticides, and virus preparations. During the prevention and treatment, it is necessary to pay attention to the rotation of the variety of drugs and delay the development of the resistance of cotton bollworm. At the same time, comprehensive consideration should be given to the correct selection of pharmaceutical varieties and the correct field spray application techniques must be mastered.

Name: Chongqing spicy Hot Bottom material
Spec.: 300 g
Shelf life: 18 months

Ingredients: Butter, vegetable oil, bean paste, chili, edible salt, chicken essence seasoning, ginger, garlic, pepper, spices, food additives and so on. 

Storage method: Normal temperature, avoid light storage, open the bag after refrigeration.

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